;;; TOOL: run-roundtrip
;;; ARGS: --stdout --fold-exprs --enable-exceptions --debug-names
(module
  (func
    block
      br 0
    end
    block
      br 0
    end)

  (func
    block
      br 0
      block
        br 0
      end
    end
    block
      br 0
    end)

  (func
    (i32.const 0)
    if
      br 0
    end
    (i32.const 0)
    if
      br 0
    end)

  (func
    loop
      br 0
    end
    loop
      br 0
    end)

  (func
    try
      br 0
    catch_all
    end
    try
      br 0
    catch_all
    end)
  )
(;; STDOUT ;;;
(module
  (type (;0;) (func))
  (func (;0;) (type 0)
    (block  ;; label = @1
      (br 0 (;@1;)))
    (block  ;; label = @1
      (br 0 (;@1;))))
  (func (;1;) (type 0)
    (block  ;; label = @1
      (br 0 (;@1;))
      (block  ;; label = @2
        (br 0 (;@2;))))
    (block  ;; label = @1
      (br 0 (;@1;))))
  (func (;2;) (type 0)
    (if  ;; label = @1
      (i32.const 0)
      (then
        (br 0 (;@1;))))
    (if  ;; label = @1
      (i32.const 0)
      (then
        (br 0 (;@1;)))))
  (func (;3;) (type 0)
    (loop  ;; label = @1
      (br 0 (;@1;)))
    (loop  ;; label = @1
      (br 0 (;@1;))))
  (func (;4;) (type 0)
    (try  ;; label = @1
      (do
        (br 0 (;@1;)))
      (catch_all))
    (try  ;; label = @1
      (do
        (br 0 (;@1;)))
      (catch_all))))
;;; STDOUT ;;)